Low testosterone is not just an old man’s problem. Many men in their 30s and 40s fall prey to low testosterone counts—and their muscle mass, competitive vitality and even libido suffer. But you can reverse that natural decline, boost growth hormone, to build muscle and lose belly fat and recharge your sexual prowess—all naturally!

Men’s Health’s breakthrough book Testosterone Transformation can show you how to trigger the release of more T, that special serum that makes you a man.